Microbiological Control is equally important for a cooling water
program to be successful. Not only will microbiological fouling
impede heat transfer, it will also set up a localized corrosion
cell. Biological slimes can allow anaerobic microorganisms to
thrive, which creates a localized corrosion cell which will result
in pit type corrosion. Pitting corrosion is the most severe type of
corrosion, with the ability to create holes in equipment in a short
period of time.
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In evaluating different treatment programs, one must assume that
good biological control will be maintained via the use of
appropriate biocides.
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